Hydronephrosis — Distention of the kidney with urine. Due to obstruction of urine outflow (for example, by a stone blocking the ureter, the tube going * * * Dilation of the pelvis and calices of one or both kidneys. This may result from obstruction to the flow of … Medical dictionary

hydronephrosis — n. distension and dilatation of the pelvis of the kidney. This is due to an obstruction to the free flow of urine from the kidney. An obstruction at or below the neck of the bladder will result in hydronephrosis of both kidneys. The term primary… … The new mediacal dictionary

hydronephrosis — Abnormal enlargement of a kidney, which may be caused by blockage of the ureter (such as by a kidney stone) or chronic kidney disease that prevents urine from draining into the bladder … English dictionary of cancer terms

hydronephrosis — noun accumulation of urine in the kidney because of an obstruction in the ureter • Hypernyms: ↑pathology … Useful english dictionary